How Long Would Days Be Without The Moon (And Why?)

Exact Answer: 6 to 12 hours 

The Moon is the only natural satellite of Earth, and without its presence, the changes that will take place will blow up one’s mind. Space-related topics are always fun to know, as with time; discoveries are coming up, which are taking space studies to the next level. The night light is an essential aspect of daily life activities.

According to the research and studies by scientists, in the absence of the moon, a day will reduce to nearly half of 24 hours, or even below that. Various phenomena will occur in the absence of the moon. The first and the most common thing will be darkness everywhere. 

How Long Would Days Be Without The Moon


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How Long Would Days Be Without The Moon?

Cases Time
Days without moon6 to 8 hours
Days with moon24 hours

During the evening and night, we stay under artificial lighting, mostly inside homes or outside. But the natural light of the moon gets hidden somehow. But if the moon disappears, there will be absolute darkness like we won’t even be able to see anything around us, not even our hands or legs.

The next set of events will be scarier. The size of ocean tides will shrink as tides occur due to the gravitational pull of the moon. In the absence, the size of high tides will shrink, and the lower ones will get even lower. 

The sun’s gravitational pull will only be responsible then for the rise and fall of tides. The fall in tidal wave fluctuations will adversely affect the ecosystem in several ways. In place of 365 days, we will get nearly 1000 days in a year. 


The moon also stabilized the tilt of planet earth, and in the absence of the moon, the earth will wobble abnormally. This will cause dramatic changes in seasons and climate. The earth will spin at a much faster rate leading to an increase in the speed of winds which will, in turn, bring intense hurricanes. 

Why Would Days Be So Long Without The Moon?

The moon highly governs the spin of the earth. The earth rotates around its axis at a much lower rate than billions of years ago. It gradually added milliseconds to every day hours year by year. The moon slows down the spin rate and makes a day as long as 24 hours. 

If the moon suddenly disappears one day, then the spin rate of the earth will increase 3-4 times, decreasing the time for a single day on earth. If the moon suddenly disappears, then the gravitational pull of the moon on earth will vanish, which will make dramatic changes in forces acting on the earth. If the earth had more than one moon, then the length of the days on earth would have been much longer than 24 hours. 

The moon’s disappearance will cause several other issues on earth. It will cause disturbance in wildlife, extinction of a wide variety of marine life, and fishing. The livelihood of many people will be affected very badly due to low tides. 


Chances of a volcanic eruption as well as strong hurricanes will increase and many more. The sun’s gravitational pull is weaker than the moon’s gravitational pull due to the vast difference in distance of both bodies from the earth. Even if the moon explodes one day, then there are chances that the debris will fall on earth, and if big chunks of debris will fall then, it might prove catastrophic.


The effects of the moon on earth are negligible to us as in day-to-day life we experience them, but we have no idea that it’s the gift of our natural satellite moon. The explosion or disappearance of the moon may sound impossible, but the theory helps us understand the moon even in a far better way. The moon’s properties are an exciting thing to learn, and indeed, with the advancement in space science, discoveries on the moon are not much far.



Last Updated : 23 February, 2024

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